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All results from a given calculation for CH3Cl (Methyl chloride)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-497.492082
Energy at 298.15K-497.495006
HF Energy-497.492082
Nuclear repulsion energy49.482219
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3131 3016 9.23 98.86 0.01 0.03
2 A1 1401 1350 7.13 1.25 0.65 0.79
3 A1 662 637 29.33 20.22 0.35 0.52
4 E 3252 3132 1.68 50.51 0.75 0.86
4 E 3252 3132 1.68 50.51 0.75 0.86
5 E 1532 1476 13.09 18.73 0.75 0.86
5 E 1532 1476 13.09 18.73 0.75 0.86
6 E 1026 988 6.73 10.99 0.75 0.86
6 E 1026 988 6.73 10.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8406.2 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 8097.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/3-21G
ABC
5.14584 0.40599 0.40599

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.192
Cl2 0.000 0.000 0.687
H3 0.000 1.041 -1.506
H4 0.901 -0.520 -1.506
H5 -0.901 -0.520 -1.506

Atom - Atom Distances (Å)
  C1 Cl2 H3 H4 H5
C11.87921.08721.08721.0872
Cl21.87922.42762.42762.4276
H31.08722.42761.80291.8029
H41.08722.42761.80291.8029
H51.08722.42761.80291.8029

picture of Methyl chloride state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl2 C1 H3 106.781 Cl2 C1 H4 106.781
Cl2 C1 H5 106.781 H3 C1 H4 112.022
H3 C1 H5 112.022 H4 C1 H5 112.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.780      
2 Cl -0.051      
3 H 0.277      
4 H 0.277      
5 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.487 2.487
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.916 0.000 0.000
y 0.000 -19.916 0.000
z 0.000 0.000 -18.264
Traceless
 xyz
x -0.826 0.000 0.000
y 0.000 -0.826 0.000
z 0.000 0.000 1.652
Polar
3z2-r23.304
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.914 0.000 0.000
y 0.000 1.914 0.000
z 0.000 0.000 4.243


<r2> (average value of r2) Å2
<r2> 38.701
(<r2>)1/2 6.221